James fisk



No. 234,664. Patented Nov. 23,1880.

NPERS. PHUTOLITHOGRFHER, WASHINGYON. D C.

NTTan STaTns PATENT rrres@ JAMES FISK, OF BRATTLEBOROUGH, VERMONT.

HORSE-DETACHER.

SPECIFICATION forming part of Letters Patent No. 234,664, dated November 28, 1880.

Application filed October 1, 1880. (No model.)

To all whom it may concern:

Be it known that I, JAMES FlsK, of Brattleborough, in the county ot' W'indhamv and State of Vermont, have invented an Improvement in Detaching Traces from Whifietrees, of

which the following is a specification.

I provide on the whiilletree a box containing` two gears, and these are operated by a sliding rack, and there are bolts with toothed racks that are made use of to force outwardly spring-shackles that hold the traces, and in so doing disconnect the traces from the pins at the ends of the whiftletree.

In the drawings, Figure l is an inverted plan, partially in section, of the detaching device, and Fig. 2 is a front view of the springshackle.

At each end of the whiftletree a there is a straight pin, Z1, that is adapted to receive over it the eye of the trace.

The shackle is made with an eye, c, that slides upon the pin b, a bolt, d, that enters the case e, and an outer holding-arm, h, having a recess for the end of the pin b.

WVithin the case e there is an expansive helical spring, l, acting against the head of the bolt d, to draw the same along and hold the arm It firmly against the end ot' the pin b.

Vhen the eye ot the trace is to be slipped over the pin b, the arm his grasped and pulled away from b against the action of the spring Z, to give opportunity to slip the eye of the trace over the pin.

At the center of the whietree there is a boX, m, having within it the two gears It n, that act against the teeth on the rack-bar ends ofthe bolts 0 o, and there is a rack, l', that is between the two gears and slides endwise across below the rack-bolts,and to this a. rackchain is attached, that passes to the body ot' 4o the vehicle, .where it is connected with a lever, by means of which the detaching apparatus is operated. WV'hen this chain is pulled the rack r is moved endwise, both gears n n are partially revolved, and the rack-bolts are pushed outwardly, and their ends, which rest against the bolts d, moving them and the shackles endwise of the pins b and the traces, are forced ot't' the said pins b bythe eyes c, and the horse liberated. 5o

This improvement may be duplicated for a team ot' horses.

I claim as my invention- The box m, gears n n, rack bars and bolts o, and cross sliding rack r, in combination with the spring-bolts (l, shackles c h, and pins b, substantially as set forth.

Signed by me this 24th day of September,

Witnesses: JAMES FISK.

WILLIAM S. NEWTON, A. E. HAMMOND. 

